Final answer:
Women winning the right to vote in MOST states
Step-by-step explanation:
Among the options given, Women winning the right to vote in MOST states is NOT an example of new opportunities for women in the late 1800s. Although women did form organizations that supported changes and entered professions such as social work, they did not win the right to vote in most states until the early 20th century. In fact, it wasn't until 1920 with the passage of the 19th Amendment that women gained the right to vote across the entire country.